As the Trump administration carries out mass firings of the federal workforce in a push to slash government spending, its targeting probationary workers. Here's what to know about the employee status.

Almost half of the probationary workers at the U.S. Centers for Disease Control and Prevention and others at the National Institutes of Health are being forced out as President Donald Trump overhauls government agencies,

Nearly 1,300 employees at the Centers for Disease Control and Prevention are being forced out under the Trump administration’s move to get rid of all probationary employees.